NPPES file of Aug 9, 2026

Diana Smallwood, LCSW-PIP

Clinical Social Worker · Yankton, SD

Diana Smallwood, LCSW-PIP is a clinical social worker with a practice address in Yankton, South Dakota, and NPI 1114695806, issued on Aug 30, 2021. Check the license (South Dakota 6673, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114695806
Name
Diana Smallwood
Credential
LCSW-PIP
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
6673 SD
6028 SD
Self-reported in NPPES; status is on the state search
Practice location
1700 Burleigh St, Yankton, SD 57078
Phone
(605) 260-9284
Enumerated
Aug 30, 2021
Record last updated
Aug 5, 2025
Fax
(605) 260-9284
Medicare enrollment
Enrolled (PECOS I20210921002130); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1700 Burleigh St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alison Boughn, PHDMental Health Counselor1114559481
  2. Tracie Erdmann, LPC, NCC, QMHPMental Health Counselor1265844534
  3. Mary PolakProfessional Counselor1851700041

Verify Diana Smallwood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license 6673
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Heartland Psychological ServicesYankton, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diana Smallwood among 565 clinical social worker records in South Dakota

Diana Smallwood, LCSW-PIP is one of 565 clinical social worker records with a practice address in South Dakota. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 69% of them.

  • NPI issued2021 · 69% of these records are older, 24% newer
  • In a Medicare fileYes · 22% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2021 · median 2015 among the 187 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 clinical social worker records list a practice address in Yankton

They are 19 of the 515 NPPES records with a practice address in Yankton, and 565 clinical social worker records in South Dakota.

The 8 clinical social worker records with the nearest ZIP codes

  1. Katelyn Anderson, MSW, CSW-PIP, QMHPYankton, SD 570781609446319
  2. Terre Berkland, MSW/PIPYankton, SD 570781518981190
  3. Dana Dracy, LCSW-PIP, QMHPYankton, SD 570781932652872
  4. Sherry Gaskins, M.A., LCSW-PIPYankton, SD 570781518303783
  5. Alexa Gauer, LCSW-PIP, RPTYankton, SD 570781821565896
  6. Mary Healy, LCSW PIPYankton, SD 570781851372593
  7. Melissa KaiserYankton, SD 570781982995742
  8. Tonja Koenigs, LCSW PIPYankton, SD 570781104042696

Common questions

What is Diana Smallwood, LCSW-PIP's NPI number?

Diana Smallwood, LCSW-PIP's National Provider Identifier (NPI) is 1114695806, issued on Aug 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Diana Smallwood, LCSW-PIP located?

The NPPES record lists a practice address at 1700 Burleigh St, Yankton, SD, 57078. Phone: (605) 260-9284. Providers update this record themselves, so call before visiting.

How can I verify Diana Smallwood, LCSW-PIP's license?

NPPES lists South Dakota license number 6673, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.